1010201221021 has 8 divisors (see below), whose sum is σ = 1018317394944. Its totient is φ = 1002087576000.

The previous prime is 1010201220997. The next prime is 1010201221033. The reversal of 1010201221021 is 1201221020101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1010201221021 - 2¹¹ = 1010201218973 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1010201220992 and 1010201221010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1010201221721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 174021 + ... + 1432021.

It is an arithmetic number, because the mean of its divisors is an integer number (127289674368).

Almost surely, 2^{1010201221021} is an apocalyptic number.

It is an amenable number.

1010201221021 is a deficient number, since it is larger than the sum of its proper divisors (8116173923).

1010201221021 is a wasteful number, since it uses less digits than its factorization.

1010201221021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1264451.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1010201221021 its reverse (1201221020101), we get a palindrome (2211422241122).

The spelling of 1010201221021 in words is "one trillion, ten billion, two hundred one million, two hundred twenty-one thousand, twenty-one".